# Questions tagged [choice]

This is for questions about discrete choice modeling

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### Does it make sense to include alternative-specific variables that do not vary over individuals in a multinomial logit model?

I have a dataset of individual farms and I want to model the probability for a farm to select a certain type of irrigation (options: none, surface, sprinkler, drip, other). As independent variables I ...
8 views

### Comparing goodness of fit for the same (conditional logit) model across two extremely similar samples

I have two datasets from two discrete choice experiments conducted in parallel, at the same time and with the same sample of respondents. The choice tasks of both experiments had in common: the text ...
11 views

### Choice set in algdesign D-efficiency

I'm new in D-efficiency. I tried to do design a choice experiment using algdesign to do a D-efficiency design. So I have the follow code: ...
10 views

### Algdesign, D-efficiency indicators

I want to understand the indicators of a D-efficiency design: I have the following code ...
19 views

### In Choice experiment, can I have 2 alternative status quo in a choice set?

I designed a choice experiment of 3 attribute + payment attribute, with support.CEs package. The choice set have 2 improvement alternative (alt.1 and alt.2) + 1 alternative status quo (alt.3). However ...
9 views

### Are there models of choice that allow for dependence between choices

For example, say you were modelling the winner of a running race, with a binary outcome of win/not win. You had a vector of information for each runner (X). This includes things like recent form, ...
6 views

### In Choce Experiments (DCE) creating cards from scenario sets must be random?

It will be difficult for me to describe it in one sentence, I will use an example. I would like to know if I can arrange the cards in the block combining scenarios other than randomly. In Aizaki, H., &...
61 views

### Why isn't the probability of an event happening in $L$ days given the probability $p$ it happens on any day $\frac{(2^L - 1)}{p^{-L}}$?

I feel like this is probably a dumb question, but there is something I am fundamentally misunderstanding here. The problem is essentially the same as the one mentioned in this question. I understand ...
9 views

### “nested choice” multinomial model

I would describe a model (and solve with the stan software) a process like this: for i = 1...N consumers the i-th consumer is allowed to choose an item out of 7. 6 ...
8 views

### Choice experiment with non random options (not factorial desing)

I dont' know how to explain, so I will give an example: I want to know if people prefer Coca-Cola or PepsiCo, so I designed a choice experiment with 2 alternatives with 2 levels: Coca (Coca-Cola and ...
25 views

### Classification of logit and probit models

Savolainen et al. (2011) has a review of discrete choice models used in accident analysis. The paper offers a classification of these models (see image), but some models (e.g. 'Partial proportional ...
11 views

### Discrete choice model estimation for unique items

I want to estimate the parameters of a discrete choice model for an item (let's say a piece of stone). In the end, I want to predict a stone's attractivity or utility. Let's say there are 4 variables ...